CVE-2022-4230: WP Statistics Plugin SQLi Vulnerability

CVE-2022-4230 Overview

CVE-2022-4230 is a SQL Injection vulnerability affecting the WP Statistics WordPress plugin before version 13.2.9. The vulnerability exists because the plugin fails to properly escape a parameter, allowing authenticated users to perform SQL Injection attacks against the underlying database. By default, the affected feature is accessible only to users with the manage_options capability (administrator level), however the plugin includes a configuration setting that can extend access to lower-privileged users, significantly expanding the potential attack surface.

Critical Impact

Authenticated attackers can exploit this SQL Injection vulnerability to extract sensitive data from the WordPress database, modify or delete data, and potentially achieve full database compromise. If the plugin is configured to allow low-privilege user access, the risk is significantly elevated.

Affected Products

• Veronalabs WP Statistics plugin versions prior to 13.2.9
• WordPress installations using vulnerable WP Statistics versions
• Sites with WP Statistics configured to allow low-privilege user access to statistics features

Discovery Timeline

• 2023-01-23 - CVE-2022-4230 published to NVD
• 2025-04-02 - Last updated in NVD database

Technical Details for CVE-2022-4230

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) stems from improper input sanitization within the WP Statistics plugin. The flaw allows authenticated users to inject malicious SQL statements through an unescaped parameter. The network-accessible nature of WordPress combined with the low complexity required to exploit this vulnerability makes it particularly concerning for affected installations.

The impact is severe across confidentiality, integrity, and availability dimensions. An attacker can potentially read all database contents including user credentials, WordPress configuration data, and any other sensitive information stored in the database. Database modification and deletion operations are also possible, which could lead to complete site compromise or data loss.

Root Cause

The root cause of CVE-2022-4230 is insufficient input validation and output encoding in the WP Statistics plugin. The vulnerable code path fails to properly sanitize user-supplied input before incorporating it into SQL queries. This violates secure coding practices that require parameterized queries or proper escaping of all user-controlled data used in database operations.

WordPress provides built-in functions such as $wpdb->prepare() for safely constructing SQL queries, but the vulnerable code path in WP Statistics versions before 13.2.9 did not adequately utilize these protections for the affected parameter.

Attack Vector

The attack vector is network-based, requiring the attacker to have authenticated access to the WordPress installation. The exploitation process involves:

1. The attacker authenticates to the WordPress site with valid credentials
2. The attacker navigates to the vulnerable WP Statistics feature
3. Malicious SQL code is injected through the unescaped parameter
4. The crafted payload executes against the database with the privileges of the WordPress database user

The vulnerability can be exploited through standard HTTP requests to the WordPress admin interface. If the plugin settings allow low-privilege users to access the statistics features, even users with minimal permissions (such as subscribers) may be able to exploit this vulnerability.

For detailed technical information about the exploitation mechanism, refer to the WPScan Vulnerability Report.

Detection Methods for CVE-2022-4230

Indicators of Compromise

• Unusual database queries in MySQL/MariaDB logs containing SQL injection patterns such as UNION SELECT, OR 1=1, or other SQL syntax anomalies
• Error messages in WordPress debug logs indicating SQL syntax errors from malformed injection attempts
• Unexpected data modifications or access to database tables not typically accessed by the WP Statistics plugin
• Anomalous user activity from authenticated accounts accessing statistics features with unusual request patterns

Detection Strategies

• Monitor WordPress access logs for suspicious requests to WP Statistics endpoints containing encoded SQL characters or injection patterns
• Implement Web Application Firewall (WAF) rules to detect and block SQL injection attempts targeting WordPress plugins
• Enable database query logging and alert on queries containing injection signatures or abnormal query structures
• Review WordPress audit logs for unusual access patterns to the WP Statistics admin pages

Monitoring Recommendations

• Deploy real-time monitoring for WordPress database query execution with alerting for suspicious patterns
• Configure SentinelOne Singularity to monitor WordPress installations for exploitation attempts and post-exploitation activity
• Establish baseline metrics for normal WP Statistics database query patterns to identify deviations
• Implement network-level monitoring for abnormal traffic volumes to WordPress admin endpoints

How to Mitigate CVE-2022-4230

Immediate Actions Required

• Update WP Statistics plugin to version 13.2.9 or later immediately
• Review plugin settings to ensure only necessary users have access to WP Statistics features
• Audit user accounts and remove unnecessary permissions for accessing statistics functionality
• Review database logs for evidence of past exploitation attempts

Patch Information

The vulnerability is addressed in WP Statistics version 13.2.9 and later. Administrators should update through the WordPress plugin management interface or by manually downloading the patched version from the WordPress plugin repository. After updating, verify the plugin version in the WordPress admin dashboard under Plugins.

For more details, see the WPScan Vulnerability Report.

Workarounds

• Restrict access to WP Statistics features by ensuring only administrators have the manage_options capability
• Implement a Web Application Firewall with SQL injection detection rules to provide an additional layer of protection
• Temporarily disable the WP Statistics plugin if immediate patching is not possible
• Limit database user privileges used by WordPress to reduce the impact of successful SQL injection attacks

# Configuration example - Verify WP Statistics plugin version via WP-CLI
wp plugin list --name=wp-statistics --fields=name,version,status

# Update WP Statistics to the latest version
wp plugin update wp-statistics

# Verify the update was successful
wp plugin get wp-statistics --field=version